diff --git a/wallet/src/builder.rs b/wallet/src/builder.rs
index 1ced069..81a39bc 100644
--- a/wallet/src/builder.rs
+++ b/wallet/src/builder.rs
@@ -568,6 +568,16 @@ impl Iterator for BuilderIterator<'_> {
                         );
                     }
                 }
+                if !params.sends.is_empty() {
+                    // TODO: resolved address recipient
+                    for send in &params.sends {
+                        detailed_tx.add_send(
+                            send.amount,
+                            None,
+                            send.recipient.script_pubkey(),
+                        );
+                    }
+                }
                 Some(Ok(detailed_tx))
             }
             StackOp::Open(params) => {
@@ -789,6 +799,7 @@ impl Builder {
         }
         if !opens.is_empty()
             || !transfers.is_empty()
+            || !sends.is_empty()
             || !executes.is_empty()
             || auction_outputs.is_some()
         {
@@ -796,7 +807,7 @@ impl Builder {
                 opens,
                 executes,
                 transfers,
-                sends: vec![],
+                sends,
                 bidouts: auction_outputs,
             }));
         }
diff --git a/wallet/src/tx_event.rs b/wallet/src/tx_event.rs
index 9204163..3a977e1 100644
--- a/wallet/src/tx_event.rs
+++ b/wallet/src/tx_event.rs
@@ -51,7 +51,7 @@ pub struct BidoutEventDetails {
 pub struct SendEventDetails {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub to_space: Option<String>,
-    pub resolved_address: ScriptBuf,
+    pub script_pubkey: ScriptBuf,
     pub amount: Amount,
 }
 
@@ -344,7 +344,7 @@ impl TxRecord {
             details: Some(
                 serde_json::to_value(SendEventDetails {
                     to_space,
-                    resolved_address,
+                    script_pubkey: resolved_address,
                     amount,
                 })
                     .expect("json value"),
@@ -526,6 +526,7 @@ impl FromStr for TxEventKind {
             "send" => Ok(TxEventKind::Send),
             "script" => Ok(TxEventKind::Script),
             "fee-bump" => Ok(TxEventKind::FeeBump),
+            "buy" => Ok(TxEventKind::Buy),
             _ => Err("invalid event kind"),
         }
     }